Pith Number

pith:3VDBL2UU

pith:2018:3VDBL2UUE4EE77PN2UDID4GM5D

not attested not anchored not stored refs pending

In-Situ 3D Nano-Printing of Freeform Coupling Elements for Hybrid Photonic Integration

A. Hofmann, B. Offrein, C. Caer, C. Koos, I. Reuter, M. Billah, M. Blaicher, P.-I. Dietrich, R. Dangel, T. Hoose, U. Troppenz, W. Freude

arxiv:1802.00051 v1 · 2018-01-29 · physics.app-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VDBL2UUE4EE77PN2UDID4GM5D}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:24:36.911112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd4615ea9427084ffdedd50681f0cce8c53d273244364ed662fd2d95e318c031

Aliases

arxiv: 1802.00051 · arxiv_version: 1802.00051v1 · doi: 10.48550/arxiv.1802.00051 · pith_short_12: 3VDBL2UUE4EE · pith_short_16: 3VDBL2UUE4EE77PN · pith_short_8: 3VDBL2UU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/3VDBL2UUE4EE77PN2UDID4GM5D \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: dd4615ea9427084ffdedd50681f0cce8c53d273244364ed662fd2d95e318c031

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ca1d628cb4bc7c95265ff8f352d0f1374c6078428b36228057268affa103a43",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-01-29T21:30:27Z",
    "title_canon_sha256": "b188e6529b8cd9787ff1074f5aaa798e85f5c2a92e2f8203e05569efe5ba5895"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00051",
    "kind": "arxiv",
    "version": 1
  }
}